/*移动端屏幕适配*/
        @media screen and (max-width : 500px){

            .header{
                z-index: 3;
            }
            .header .logo{
                /*width:100%;*/
            }
            .header .logo .smallmenu{
                display: inline-block;
                position: fixed;
                bottom: 19px;
                right: 20px;
                background: rgba(0,0,0,.8);
                padding: 12px 10px;
                border-radius: 50%;
                box-shadow: 1px 2px 3px #eee;
            }

            .header .logo .smallmenu span{
                height:2px;
                width:18px;
                background:#fff;
                display: block
            }
            .header .logo .smallmenu span+span{
                margin-top:4px;
            }

            .header .menu{
                float:none;
                left: 120%;
                position: fixed;
                z-index: 9999;
                width: 100%;
                top:50%;
                background:none;
                transition:all .4s;
            }


            .header .menu .item{
                display: block;
            }
            
            body.detail>.header{
                display: none;
            }
            body.detail>.backheader{
                display: flex;
                position:fixed;
                z-index:2;
            }

            #sideToolbar{display: none;}
    }